The actions of “lock out, lock down, evacuate and shelter” is now language for students and staff when a crisis happens in schools. It’s used in some of the largest school districts in Colorado and in more than 5,000 districts nationwide.

Some people are linking the shooting in Connecticut with autism, or something called Ausperger’s Disorder. But as Dr. Dave Hnida reports, those alone aren’t the cause — there something else going on to cause this type of violent behavior.

The mass shooting in Connecticut has sent us reeling. So how do we cope? Dr. Dave Hnida says there’s no fix-it for all of us, but there are some things to consider as we assess the tragedy, and search for skills to emotionally survive — both in the shock phase, and the days of adjustment and health in the weeks, months and years ahead.

After Columbine police changed the way they react to mass shootings like the Aurora theater massacre and the mall shooting in Portland. CBS4’s Jennifer Brice talked to a police sergeant who actually trained the police in Connecticut.